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Diffstat (limited to 'drivers/input/twl4030.c')
-rw-r--r--drivers/input/twl4030.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/input/twl4030.c b/drivers/input/twl4030.c
new file mode 100644
index 0000000000..a5ded35d92
--- /dev/null
+++ b/drivers/input/twl4030.c
@@ -0,0 +1,49 @@
+/*
+ * TWL4030 input
+ *
+ * Copyright (C) 2015 Paul Kocialkowski <contact@paulk.fr>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <twl4030.h>
+
+int twl4030_input_power_button(void)
+{
+ u8 data;
+
+ twl4030_i2c_read_u8(TWL4030_CHIP_PM_MASTER,
+ TWL4030_PM_MASTER_STS_HW_CONDITIONS, &data);
+
+ if (data & TWL4030_PM_MASTER_STS_HW_CONDITIONS_PWON)
+ return 1;
+
+ return 0;
+}
+
+int twl4030_input_charger(void)
+{
+ u8 data;
+
+ twl4030_i2c_read_u8(TWL4030_CHIP_PM_MASTER,
+ TWL4030_PM_MASTER_STS_HW_CONDITIONS, &data);
+
+ if (data & TWL4030_PM_MASTER_STS_HW_CONDITIONS_CHG)
+ return 1;
+
+ return 0;
+}
+
+int twl4030_input_usb(void)
+{
+ u8 data;
+
+ twl4030_i2c_read_u8(TWL4030_CHIP_PM_MASTER,
+ TWL4030_PM_MASTER_STS_HW_CONDITIONS, &data);
+
+ if (data & TWL4030_PM_MASTER_STS_HW_CONDITIONS_USB ||
+ data & TWL4030_PM_MASTER_STS_HW_CONDITIONS_VBUS)
+ return 1;
+
+ return 0;
+}
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